Config: Add font DPI settings to Polybar

.config/polybar/config

@@ -1,4 +1,4 @@
-include-file = $HOME/.config/polybar/colors
+include-file = $HOME/.config/polybar/xresources
 include-file = $HOME/.config/polybar/modules
 
 ; https://github.com/polybar/polybar/wiki/Configuration#global-wm-settings
@@ -10,7 +10,6 @@ margin-bottom = 0
 [settings]
 throttle-output = 5
 throttle-output-for = 10
-throttle-input-for = 30
 
 screenchange-reload = true
 
@@ -19,6 +18,7 @@ screenchange-reload = true
 
 pseudo-transparency = false
 
+; https://github.com/polybar/polybar/wiki/Configuration#bar-settings
 [bar/polybar]
 monitor = ${env:MONITOR:eDP-1}
 
@@ -44,12 +44,15 @@ padding-right = 2
 module-margin-left = 1
 module-margin-right = 2
 
+dpi-x = ${font.dpi}
+dpi-y = ${font.dpi}
+
 ; https://github.com/polybar/polybar/wiki/Fonts
-font-0 = "DejaVu Sans:pixelsize=18;3"
-font-1 = "Source Han Sans JP Medium:pixelsize=18;3"
-font-2 = "Font Awesome 5 Free:style=Regular:pixelsize=16;3"
-font-3 = "Font Awesome 5 Free:style=Solid:pixelsize=16;3"
-font-4 = "Font Awesome 5 Brands:pixelsize=16;3"
+font-0 = "DejaVu Sans:pixelsize=9;3"
+font-1 = "Source Han Sans JP Medium:pixelsize=9;3"
+font-2 = "Font Awesome 5 Free:style=Regular:pixelsize=8;3"
+font-3 = "Font Awesome 5 Free:style=Solid:pixelsize=8;3"
+font-4 = "Font Awesome 5 Brands:pixelsize=8;3"
 
 modules-left = bspwm
 modules-center = title
@@ -64,8 +67,8 @@ tray-detached = false
 wm-restack = bspwm
 ; wm-name = ${env:PANEL_NAME:polybar_panel}
 
-scroll-up = bspwm-deskprev
-scroll-down = bspwm-desknext
+scroll-up = #bspwm.prev
+scroll-down = #bspwm.next
 
 cursor-click = pointer
 ; cursor-scroll = ns-resize

.config/polybar/xresources

@@ -30,3 +30,7 @@ bgcolor-inactive = ${xrdb:WmColor.bgcolor_Inactive:#2b2e39}
 bgcolor-urgent   = ${xrdb:WmColor.bgcolor_Urgent:#dc7a43}
 fgcolor          = ${xrdb:WmColor.fgcolor:#ffffff}
 fgcolor-inactive = ${xrdb:WmColor.fgcolor_Inactive:#676e7d}
+
+; System font DPI scaling
+[font]
+dpi = ${xrdb:Xft.dpi:96}